Knife block



FIG. 1 is a front perspective view of a knife block, showing my newdesign;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a right side elevation view thereof, and the left side viewbeing a mirror image thereof; and,

FIG. 5 is a top plan view thereof.

CLAIM The ornamental design for a knife block, as shown and described.